Semiconductor Devices Test

Result

Semiconductor Devices Test - 31

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Weekly Quiz Competition

Question 1
4 / -1

In bridge rectifier circuit, Fig., the input signal should be connected between

A
A and D

B
B and C

C
A and C

D
B and D
Question 2
4 / -1

P-N junction is

A
ohmic resistance

B
non-ohmic resistance

C
negative resistance

D
positive resistance
Question 3
4 / -1

The r.m.s value of output current in full wave rectifier is

A
I₀/π

B
I₀/2

C
I₀/√2

D
2I₀
Question 4
4 / -1

For a junction diode, when I_o is the reverse saturation current then the forward current I_f is given by

A

B

C

D

Solution
Question 5
4 / -1

The equivalent resistance of the circuit (Fig), across AB is given by

A
6.2Ω

B
5.64Ω

C
8.2Ω

D
5.6Ω or 8.2 Ω

Solution
Question 6
4 / -1

The bond that exists in a semiconductor is

A
covalent bond

B
ionic bond

C
metallic bond

D
hydrogen bond
Question 7
4 / -1

In a triclinic crystal system

A
a ≠ b ≠ c, α ≠ β ≠ γ

B
a = b = c, α ≠ β ≠ γ

C
a ≠ b ≠ c, α ≠ β = γ

D
a = b ≠ c, α = β = γ
Question 8
4 / -1

The current amplification factor α of a common base transistor and the current amplification factor β of a common emitter transistor are NOT related by

A

B

C

D

Solution
Question 9
4 / -1

In p-type semiconductor

A
major current carrier is electrons

B
major carrier is mobile negative ions

C
major carrier is mobile holes

D
the number of mobile holes exceeds the number of acceptors
Question 10
4 / -1

The p-type semiconductor the majority and minority charge carriers are respectively

A
protons and electrons

B
electrons and protons

C
electrons and holes

D
holes and electrons